in Dillenburg (now Germany).
Ernest Casimir I, Count of Nassau-Dietz - Source picture: Wikipedia
His parents were John IV, Count of Nassau-Dillenburg and Countess Elisabeth of
Ernest Casimir served under Maurice of Nassau, Prince of Orange. Later he became
Stadtholder of Friesland, Groningen and Drenthe (now The Netherlands).
On June 2nd. 1632 Ernest Casimir I, Count of Nassau-Dietz, died @
the Siege of Roermond by a bullet, while he was inspecting the trenches.